Use uint16_t to store instruction implicit uses and defs. Reduces static data.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152301 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 4a68067..9184408 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -490,10 +490,10 @@
 
 void MachineInstr::addImplicitDefUseOperands() {
   if (MCID->ImplicitDefs)
-    for (const unsigned *ImpDefs = MCID->ImplicitDefs; *ImpDefs; ++ImpDefs)
+    for (const uint16_t *ImpDefs = MCID->getImplicitDefs(); *ImpDefs; ++ImpDefs)
       addOperand(MachineOperand::CreateReg(*ImpDefs, true, true));
   if (MCID->ImplicitUses)
-    for (const unsigned *ImpUses = MCID->ImplicitUses; *ImpUses; ++ImpUses)
+    for (const uint16_t *ImpUses = MCID->getImplicitUses(); *ImpUses; ++ImpUses)
       addOperand(MachineOperand::CreateReg(*ImpUses, false, true));
 }
 
diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp
index c27a485..e09b7f8 100644
--- a/lib/CodeGen/RegAllocFast.cpp
+++ b/lib/CodeGen/RegAllocFast.cpp
@@ -1139,7 +1139,7 @@
   // Add the clobber lists for all the instructions we skipped earlier.
   for (SmallPtrSet<const MCInstrDesc*, 4>::const_iterator
        I = SkippedInstrs.begin(), E = SkippedInstrs.end(); I != E; ++I)
-    if (const unsigned *Defs = (*I)->getImplicitDefs())
+    if (const uint16_t *Defs = (*I)->getImplicitDefs())
       while (*Defs)
         MRI->setPhysRegUsed(*Defs++);
 
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
index 2a5b6ef..24da432 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
@@ -425,7 +425,7 @@
   const MCInstrDesc &MCID = TII->get(N->getMachineOpcode());
   assert(MCID.ImplicitDefs && "Physical reg def must be in implicit def list!");
   unsigned NumRes = MCID.getNumDefs();
-  for (const unsigned *ImpDef = MCID.getImplicitDefs(); *ImpDef; ++ImpDef) {
+  for (const uint16_t *ImpDef = MCID.getImplicitDefs(); *ImpDef; ++ImpDef) {
     if (Reg == *ImpDef)
       break;
     ++NumRes;
@@ -508,7 +508,7 @@
     const MCInstrDesc &MCID = TII->get(Node->getMachineOpcode());
     if (!MCID.ImplicitDefs)
       continue;
-    for (const unsigned *Reg = MCID.ImplicitDefs; *Reg; ++Reg) {
+    for (const uint16_t *Reg = MCID.getImplicitDefs(); *Reg; ++Reg) {
       CheckForLiveRegDef(SU, *Reg, LiveRegDefs, RegAdded, LRegs, TRI);
     }
   }
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
index 284006f..f44adfc 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
@@ -1166,7 +1166,7 @@
   const MCInstrDesc &MCID = TII->get(N->getMachineOpcode());
   assert(MCID.ImplicitDefs && "Physical reg def must be in implicit def list!");
   unsigned NumRes = MCID.getNumDefs();
-  for (const unsigned *ImpDef = MCID.getImplicitDefs(); *ImpDef; ++ImpDef) {
+  for (const uint16_t *ImpDef = MCID.getImplicitDefs(); *ImpDef; ++ImpDef) {
     if (Reg == *ImpDef)
       break;
     ++NumRes;
@@ -1292,7 +1292,7 @@
     const MCInstrDesc &MCID = TII->get(Node->getMachineOpcode());
     if (!MCID.ImplicitDefs)
       continue;
-    for (const unsigned *Reg = MCID.ImplicitDefs; *Reg; ++Reg)
+    for (const uint16_t *Reg = MCID.getImplicitDefs(); *Reg; ++Reg)
       CheckForLiveRegDef(SU, *Reg, LiveRegDefs, RegAdded, LRegs, TRI);
   }
 
@@ -2667,7 +2667,7 @@
                                          ScheduleDAGRRList *scheduleDAG,
                                          const TargetInstrInfo *TII,
                                          const TargetRegisterInfo *TRI) {
-  const unsigned *ImpDefs
+  const uint16_t *ImpDefs
     = TII->get(SU->getNode()->getMachineOpcode()).getImplicitDefs();
   const uint32_t *RegMask = getNodeRegMask(SU->getNode());
   if(!ImpDefs && !RegMask)
@@ -2686,7 +2686,7 @@
         return true;
 
       if (ImpDefs)
-        for (const unsigned *ImpDef = ImpDefs; *ImpDef; ++ImpDef)
+        for (const uint16_t *ImpDef = ImpDefs; *ImpDef; ++ImpDef)
           // Return true if SU clobbers this physical register use and the
           // definition of the register reaches from DepSU. IsReachable queries
           // a topological forward sort of the DAG (following the successors).
@@ -2705,13 +2705,13 @@
                                   const TargetRegisterInfo *TRI) {
   SDNode *N = SuccSU->getNode();
   unsigned NumDefs = TII->get(N->getMachineOpcode()).getNumDefs();
-  const unsigned *ImpDefs = TII->get(N->getMachineOpcode()).getImplicitDefs();
+  const uint16_t *ImpDefs = TII->get(N->getMachineOpcode()).getImplicitDefs();
   assert(ImpDefs && "Caller should check hasPhysRegDefs");
   for (const SDNode *SUNode = SU->getNode(); SUNode;
        SUNode = SUNode->getGluedNode()) {
     if (!SUNode->isMachineOpcode())
       continue;
-    const unsigned *SUImpDefs =
+    const uint16_t *SUImpDefs =
       TII->get(SUNode->getMachineOpcode()).getImplicitDefs();
     const uint32_t *SURegMask = getNodeRegMask(SUNode);
     if (!SUImpDefs && !SURegMask)